2021-04-10 04:00:37 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2017-02-11 02:48:58 +00:00
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
< meta http-equiv = "X-UA-Compatible" content = "IE=9" / >
2021-06-22 00:16:40 +00:00
< meta name = "generator" content = "Doxygen 1.8.17" / >
2018-02-10 23:37:42 +00:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
2017-09-20 02:35:05 +00:00
< title > Shaka Packager SDK: packager/media/chunking/chunking_handler.cc Source File< / title >
2017-02-11 02:48:58 +00:00
< link href = "../../tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../jquery.js" > < / script >
< script type = "text/javascript" src = "../../dynsections.js" > < / script >
< link href = "../../search/search.css" rel = "stylesheet" type = "text/css" / >
2018-02-10 23:37:42 +00:00
< script type = "text/javascript" src = "../../search/searchdata.js" > < / script >
2017-02-11 02:48:58 +00:00
< script type = "text/javascript" src = "../../search/search.js" > < / script >
< link href = "../../doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
2018-02-10 23:37:42 +00:00
< td id = "projectalign" style = "padding-left: 0.5em;" >
2017-09-20 02:35:05 +00:00
< div id = "projectname" > Shaka Packager SDK
2017-02-11 02:48:58 +00:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-06-22 00:16:40 +00:00
<!-- Generated by Doxygen 1.8.17 -->
2017-02-11 02:48:58 +00:00
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2021-06-22 00:16:40 +00:00
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
2021-04-10 04:00:37 +00:00
/* @license-end */
2017-02-11 02:48:58 +00:00
< / script >
2018-02-10 23:37:42 +00:00
< script type = "text/javascript" src = "../../menudata.js" > < / script >
< script type = "text/javascript" src = "../../menu.js" > < / script >
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2018-02-10 23:37:42 +00:00
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2021-04-10 04:00:37 +00:00
/* @license-end */< / script >
2018-02-10 23:37:42 +00:00
< div id = "main-nav" > < / div >
2017-02-11 02:48:58 +00:00
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
2018-02-10 23:37:42 +00:00
< / div >
2017-02-11 02:48:58 +00:00
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div id = "nav-path" class = "navpath" >
< ul >
2017-09-20 02:35:05 +00:00
< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_1338cd99faf71b6cb1609e99e3340e45.html" > chunking< / a > < / li > < / ul >
2017-02-11 02:48:58 +00:00
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > chunking_handler.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
2021-04-10 04:00:37 +00:00
< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2017 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/chunking/chunking_handler.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/status_macros.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kStreamIndex = 0;< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keywordtype" > bool< / span > IsNewSegmentIndex(int64_t new_index, int64_t current_index) {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keywordflow" > return< / span > new_index != current_index & & < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > // Index is calculated from pts, which could decrease. We do not expect< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > // it to decrease by more than one segment though, which could happen< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "comment" > // only if there is a big overlap in the timeline, in which case, we< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "comment" > // will create a new segment and leave it to the player to handle it.< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   new_index != current_index - 1;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   }< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   ChunkingHandler::ChunkingHandler(< span class = "keyword" > const< / span > ChunkingParams& chunking_params)< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   : chunking_params_(chunking_params) {< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   CHECK_NE(chunking_params.segment_duration_in_seconds, 0u);< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   }< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd" > 36< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd" > ChunkingHandler::InitializeInternal< / a > () {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordflow" > if< / span > (num_input_streams() != 1 || next_output_stream_index() != 1) {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "stringliteral" > " Expects exactly one input and one output." < / span > );< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   }< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   }< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633" > 44< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633" > ChunkingHandler::Process< / a > (std::unique_ptr< StreamData> stream_data) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordflow" > switch< / span > (stream_data-> stream_data_type) {< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kStreamInfo:< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > return< / span > OnStreamInfo(std::move(stream_data-> stream_info));< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kCueEvent:< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > return< / span > OnCueEvent(std::move(stream_data-> cue_event));< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kSegmentInfo:< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   VLOG(3) < < < span class = "stringliteral" > " Droppping existing segment info." < / span > ;< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kMediaSample:< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordflow" > return< / span > OnMediaSample(std::move(stream_data-> media_sample));< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   VLOG(3) < < < span class = "stringliteral" > " Stream data type " < / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (stream_data-> stream_data_type) < < < span class = "stringliteral" > " ignored." < / span > ;< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream_data));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   }< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52" > 62< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52" > ChunkingHandler::OnFlushRequest< / a > (< span class = "keywordtype" > size_t< / span > input_stream_index) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   RETURN_IF_ERROR(EndSegmentIfStarted());< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b" > FlushDownstream< / a > (kStreamIndex);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   }< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > ChunkingHandler::OnStreamInfo(std::shared_ptr< const StreamInfo> info) {< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   time_scale_ = info-> time_scale();< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   segment_duration_ =< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   chunking_params_.< a class = "code" href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#a01414f1502775576d68e45d172029358" > segment_duration_in_seconds< / a > * time_scale_;< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   subsegment_duration_ =< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   chunking_params_.< a class = "code" href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#ae303f5bf58edbb231b0cfbbf9c4e05d7" > subsegment_duration_in_seconds< / a > * time_scale_;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499" > DispatchStreamInfo< / a > (kStreamIndex, std::move(info));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   }< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > ChunkingHandler::OnCueEvent(std::shared_ptr< const CueEvent> event) {< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   RETURN_IF_ERROR(EndSegmentIfStarted());< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > event_time_in_seconds = < span class = "keyword" > event< / span > -> time_in_seconds;< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0dcba8fa849d5f031ab3e2b4803a7804" > DispatchCueEvent< / a > (kStreamIndex, std::move(event)));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "comment" > // Force start new segment after cue event.< / span > < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   segment_start_time_ = base::nullopt;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // |cue_offset_| will be applied to sample timestamp so the segment after cue< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // point have duration ~= |segment_duration_|.< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   cue_offset_ = event_time_in_seconds * time_scale_;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   }< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   Status ChunkingHandler::OnMediaSample(< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   std::shared_ptr< const MediaSample> sample) {< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   DCHECK_NE(time_scale_, 0u) < < < span class = "stringliteral" > " kStreamInfo should arrive before kMediaSample" < / span > ;< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keyword" > const< / span > int64_t timestamp = sample-> pts();< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > bool< / span > started_new_segment = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > can_start_new_segment =< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   sample-> is_key_frame() || !chunking_params_.< a class = "code" href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#a1ab10c82260dc073fb3830efcdabb171" > segment_sap_aligned< / a > ;< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > if< / span > (can_start_new_segment) {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keyword" > const< / span > int64_t segment_index =< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   timestamp < cue_offset_ ? 0< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   : (timestamp - cue_offset_) / segment_duration_;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > if< / span > (!segment_start_time_ ||< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   IsNewSegmentIndex(segment_index, current_segment_index_)) {< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   current_segment_index_ = segment_index;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > // Reset subsegment index.< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   current_subsegment_index_ = 0;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   RETURN_IF_ERROR(EndSegmentIfStarted());< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   segment_start_time_ = timestamp;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   subsegment_start_time_ = timestamp;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   max_segment_time_ = timestamp + sample-> duration();< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   started_new_segment = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   }< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   }< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > if< / span > (!started_new_segment & & IsSubsegmentEnabled()) {< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > can_start_new_subsegment =< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   sample-> is_key_frame() || !chunking_params_.< a class = "code" href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#afcde8cc6cf9646c78f5bf13181022aa7" > subsegment_sap_aligned< / a > ;< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > if< / span > (can_start_new_subsegment) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keyword" > const< / span > int64_t subsegment_index =< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   (timestamp - segment_start_time_.value()) / subsegment_duration_;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > if< / span > (IsNewSegmentIndex(subsegment_index, current_subsegment_index_)) {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   current_subsegment_index_ = subsegment_index;< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   RETURN_IF_ERROR(EndSubsegmentIfStarted());< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   subsegment_start_time_ = timestamp;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   }< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   }< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   VLOG(3) < < < span class = "stringliteral" > " Sample ts: " < / span > < < timestamp < < < span class = "stringliteral" > " " < / span > < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < < < span class = "stringliteral" > " duration: " < / span > < < sample-> duration() < < < span class = "stringliteral" > " scale: " < / span > < < time_scale_< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < < (segment_start_time_ ? < span class = "stringliteral" > " dispatch " < / span > : < span class = "stringliteral" > " discard " < / span > );< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > if< / span > (!segment_start_time_) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   DCHECK(!subsegment_start_time_);< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > // Discard samples before segment start. If the segment has started,< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > // |segment_start_time_| won' t be null.< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   }< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   segment_start_time_ = std::min(segment_start_time_.value(), timestamp);< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   subsegment_start_time_ = std::min(subsegment_start_time_.value(), timestamp);< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   max_segment_time_ =< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   std::max(max_segment_time_, timestamp + sample-> duration());< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9" > DispatchMediaSample< / a > (kStreamIndex, std::move(sample));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   }< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   Status ChunkingHandler::EndSegmentIfStarted()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordflow" > if< / span > (!segment_start_time_)< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keyword" > auto< / span > segment_info = std::make_shared< SegmentInfo> ();< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   segment_info-> start_timestamp = segment_start_time_.value();< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   segment_info-> duration = max_segment_time_ - segment_start_time_.value();< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5" > DispatchSegmentInfo< / a > (kStreamIndex, std::move(segment_info));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   Status ChunkingHandler::EndSubsegmentIfStarted()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > if< / span > (!subsegment_start_time_)< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keyword" > auto< / span > subsegment_info = std::make_shared< SegmentInfo> ();< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   subsegment_info-> start_timestamp = subsegment_start_time_.value();< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   subsegment_info-> duration =< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   max_segment_time_ - subsegment_start_time_.value();< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   subsegment_info-> is_subsegment = < span class = "keyword" > true< / span > ;< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5" > DispatchSegmentInfo< / a > (kStreamIndex, std::move(subsegment_info));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2017-02-11 02:48:58 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_a9a74fead95bc16255e73908bbebbced9" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9" > shaka::media::MediaHandler::DispatchMediaSample< / a > < / div > < div class = "ttdeci" > Status DispatchMediaSample(size_t stream_index, std::shared_ptr< const MediaSample > media_sample) const< / div > < div class = "ttdoc" > Dispatch the media sample to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00207" > media_handler.h:207< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_a0dcba8fa849d5f031ab3e2b4803a7804" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0dcba8fa849d5f031ab3e2b4803a7804" > shaka::media::MediaHandler::DispatchCueEvent< / a > < / div > < div class = "ttdeci" > Status DispatchCueEvent(size_t stream_index, std::shared_ptr< const CueEvent > cue_event) const< / div > < div class = "ttdoc" > Dispatch the cue event to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00240" > media_handler.h:240< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1ChunkingParams_html_a01414f1502775576d68e45d172029358" > < div class = "ttname" > < a href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#a01414f1502775576d68e45d172029358" > shaka::ChunkingParams::segment_duration_in_seconds< / a > < / div > < div class = "ttdeci" > double segment_duration_in_seconds< / div > < div class = "ttdoc" > Segment duration in seconds.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d79/chunking__params_8h_source.html#l00015" > chunking_params.h:15< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1ChunkingParams_html_ae303f5bf58edbb231b0cfbbf9c4e05d7" > < div class = "ttname" > < a href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#ae303f5bf58edbb231b0cfbbf9c4e05d7" > shaka::ChunkingParams::subsegment_duration_in_seconds< / a > < / div > < div class = "ttdeci" > double subsegment_duration_in_seconds< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d79/chunking__params_8h_source.html#l00018" > chunking_params.h:18< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ChunkingHandler_html_a44c30ffd7c283be2ba4347bda7848633" > < div class = "ttname" > < a href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633" > shaka::media::ChunkingHandler::Process< / a > < / div > < div class = "ttdeci" > Status Process(std::unique_ptr< StreamData > stream_data) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d12/chunking__handler_8cc_source.html#l00044" > chunking_handler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_ad165375cd0a2074c5a740b42f847c499" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499" > shaka::media::MediaHandler::DispatchStreamInfo< / a > < / div > < div class = "ttdeci" > Status DispatchStreamInfo(size_t stream_index, std::shared_ptr< const StreamInfo > stream_info) const< / div > < div class = "ttdoc" > Dispatch the stream info to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00199" > media_handler.h:199< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_ad5001bf12073101a949b062943769f5b" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b" > shaka::media::MediaHandler::FlushDownstream< / a > < / div > < div class = "ttdeci" > Status FlushDownstream(size_t output_stream_index)< / div > < div class = "ttdoc" > Flush the downstream connected at the specified output stream index.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00105" > media_handler.cc:105< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ChunkingHandler_html_a76a5f4b74da3876cc72f44301c389ebd" > < div class = "ttname" > < a href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd" > shaka::media::ChunkingHandler::InitializeInternal< / a > < / div > < div class = "ttdeci" > Status InitializeInternal() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d12/chunking__handler_8cc_source.html#l00036" > chunking_handler.cc:36< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1ChunkingParams_html_a1ab10c82260dc073fb3830efcdabb171" > < div class = "ttname" > < a href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#a1ab10c82260dc073fb3830efcdabb171" > shaka::ChunkingParams::segment_sap_aligned< / a > < / div > < div class = "ttdeci" > bool segment_sap_aligned< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d79/chunking__params_8h_source.html#l00022" > chunking_params.h:22< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_afe98a4fd19eabe0fc78afc91959c34a6" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > shaka::media::MediaHandler::Dispatch< / a > < / div > < div class = "ttdeci" > Status Dispatch(std::unique_ptr< StreamData > stream_data) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00094" > media_handler.cc:94< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ChunkingHandler_html_ab526bd53e4d49d7209f01d9b10b9ab52" > < div class = "ttname" > < a href = "../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52" > shaka::media::ChunkingHandler::OnFlushRequest< / a > < / div > < div class = "ttdeci" > Status OnFlushRequest(size_t input_stream_index) override< / div > < div class = "ttdoc" > Event handler for flush request at the specific input stream index.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d12/chunking__handler_8cc_source.html#l00062" > chunking_handler.cc:62< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1ChunkingParams_html_afcde8cc6cf9646c78f5bf13181022aa7" > < div class = "ttname" > < a href = "../../d2/d1f/structshaka_1_1ChunkingParams.html#afcde8cc6cf9646c78f5bf13181022aa7" > shaka::ChunkingParams::subsegment_sap_aligned< / a > < / div > < div class = "ttdeci" > bool subsegment_sap_aligned< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d79/chunking__params_8h_source.html#l00027" > chunking_params.h:27< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_a2acc1c84a61aee93229d493aa93308d5" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5" > shaka::media::MediaHandler::DispatchSegmentInfo< / a > < / div > < div class = "ttdeci" > Status DispatchSegmentInfo(size_t stream_index, std::shared_ptr< const SegmentInfo > segment_info) const< / div > < div class = "ttdoc" > Dispatch the segment info to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00224" > media_handler.h:224< / a > < / div > < / div >
2017-02-11 02:48:58 +00:00
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2021-06-22 00:16:40 +00:00
Generated on Tue Jun 22 2021 00:16:04 for Shaka Packager SDK by   < a href = "http://www.doxygen.org/index.html" >
< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.17
2017-02-11 02:48:58 +00:00
< / small > < / address >
< / body >
< / html >
